Summary statistics for g_c1thr4_31 variable in snf_rollup2540_96_1998 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thr4_31 | 8,143 1150207 3.91e+07 -5.62e+07 3.27e+09 by Jean Roth , jroth@nber.org , 17 Feb 2018